Rule 8.3 - BHP BILLITON PLC

FORM 8.3

    DEALINGS BY PERSONS WITH INTERESTS IN SECURITIES REPRESENTING 1% OR MORE
              (Rule 8.3 of the City Code on Takeovers and Mergers)


1.   KEY INFORMATION

Name of person dealing        BARCLAYS PLC
(Note 1)
Company dealt in              BHP BILLITON PLC
Class of relevant security    USD0.50
to which the dealings being
disclosed relate (Note 2)
Date of dealing               07 October 2008

2.   INTERESTS, SHORT POSITIONS AND RIGHTS TO SUBSCRIBE

(a)  Interests and short positions (following dealing) in the class of relevant
security dealt in (Note 3)

                            Long                     Short

                      Number       (%)         Number       (%)

(1) Relevant     118,230,920     5.36%      1,001,576     0.05%
securities
(2) Derivatives    2,408,944     0.11%     17,085,536     0.77%
(other than
options)
(3) Options and        2,700     0.00%          1,000     0.00%
agreements to
purchase/sell
Total            120,642,564     5.47%     18,088,112     0.82%

(b)  Interests and short positions in relevant securities of the company, other
     than the class dealt in (Note 3)

Class of                    Long                     Short
relevant
security:

                  Number              (%)   Number              (%)

(1) Relevant
securities

(2) Derivatives
(other than
options)

(3) Options and
agreements to
purchase/sell

Total


  (c)  Rights to subscribe (Note 3)

Class of relevant security:   Details



3.   DEALINGS (Note 4)

  (a)  Purchases and sales

Purchase/sale      Number of           Price per unit
                   Securities          (GBP)
Purchase           274,802             10.9206
Purchase           8,843               10.8700
Purchase           7,213               Transfer
Purchase           88,115              11.0102
Purchase           83                  10.7497
Purchase           1,316,876           10.9952
Purchase           5,077               10.9062
Purchase           2,168               Transfer
Purchase           1,307               11.0897
Purchase           257,995             10.9367
Purchase           89                  Transfer
Purchase           400                 10.9750
Purchase           41,830              11.0304
Purchase           23,055              10.8814
Purchase           92                  11.0700
Purchase           1,319               10.8197
Purchase           1,827               10.6916
Purchase           38,598              10.9593
Purchase           119,220             11.1347
Purchase           121,171             11.0307
Purchase           75,689              10.9476
Purchase           450                 10.8597
Purchase           880                 10.8700
Purchase           508                 10.8700
Purchase           4,688               11.5000
Purchase           49,460              10.8382
Purchase           701                 10.9100
Purchase           90,883              10.8700
Purchase           6,973               10.8700
Purchase           1,015               10.8700
Purchase           2,030               10.8700
Purchase           1,760               12.5800
Purchase           274                 10.8297
Purchase           3,347               12.5800
Sale               164,167             10.9276
Sale               411                 Transfer
Sale               12,070              10.8951
Sale               288,345             10.9417
Sale               200                 11.0886
Sale               552                 11.0003
Sale               350                 Transfer
Sale               163                 Transfer
Sale               2,398               10.8346
Sale               48,449              10.9316
Sale               25,295              11.1432
Sale               89                  Transfer
Sale               499,503             10.8975
Sale               98                  Transfer
Sale               720                 10.7700
Sale               1,388               10.8700
Sale               1,000               10.7703
Sale               15,500              10.9329
Sale               261,682             10.9355
Sale               125                 Transfer
Sale               127                 Transfer
Sale               3,900               10.9487
Sale               26,000              11.1600
Sale               560                 10.8805
Sale               400                 10.9750
Sale               366                 Transfer
Sale               104,731             10.7000
Sale               29,484              10.8700
Sale               98                  Transfer
Sale               73,710              10.8700
Sale               76                  11.3903
Sale               1,552,445           10.9848
Sale               106                 10.9503
Sale               21,386              10.8700
Sale               8,348               10.8700
Sale               7,325               10.8927

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          11884         10.8864
CFD            Long          7325          10.8927
CFD            Long          12070         10.8951
CFD            Long          499503        10.8975
CFD            Long          18811         10.9211
CFD            Long          164167        10.9275
CFD            Long          48449         10.9315
CFD            Long          261682        10.9355
CFD            Long          269534        10.9431
CFD            Long          3900          10.9487
CFD            Long          400           10.975
CFD            Long          1552445       10.9848
CFD            Long          200           11.0886
CFD            Long          25295         11.1431
CFD            Short         1827          10.6916
CFD            Short         26236         10.87
CFD            Short         23055         10.8813
CFD            Short         4367          10.9
CFD            Short         25672         10.9001
CFD            Short         5077          10.9062
CFD            Short         231207        10.9212
CFD            Short         257995        10.9367
CFD            Short         17923         10.9414
CFD            Short         75689         10.9475
CFD            Short         38598         10.9593
CFD            Short         930           10.9668
CFD            Short         1424          10.9676
CFD            Short         2737          10.9678
CFD            Short         400           10.975
CFD            Short         1316876       10.9952
CFD            Short         88115         11.0102
CFD            Short         41830         11.0304
CFD            Short         121171        11.0306
CFD            Short         1307          11.0897
CFD            Short         119220        11.1346

(c)  Options transactions in respect of existing securities

(i)  Writing, selling, purchasing or varying

Product name,   Writing,          Number of          Exercise  Type, e.g.      Expiry   Option money
e.g. call       selling,          securities to      price     American,       date     paid/received
option          purchasing,       which the option             European etc.            per unit (GBP)
                varying etc.      relates (GBP)


(ii) Exercising

Product name, e.g.  Number of           Exercise price per
call option         securities          unit (Note 5)




(d)  Other dealings (including new securities) (Note 4)


Nature of transaction Details           Price per unit
(Note 8)                                (if applicable)
                                        (Note 5)




4.   OTHER INFORMATION
None

Agreements, arrangements or understandings relating to options or derivatives


Full details of any agreement, arrangement or understanding between the
person disclosing and any other person relating to the voting rights of
any relevant securities under any option referred to on this form or
relating to the voting rights or future acquisition or disposal of any
relevant securities to which any derivative referred to on this form is
referenced.  If none, this should be stated.




Is a Supplemental Form 8 attached? (Note 9)                 YES


Date of disclosure                         08 October 2008
Contact name                               Geoff Smith
Telephone number                           020 7116 2913
If a connected EFM, name of
offeree/offeror with which connected
If a connected EFM, state nature of
connection (Note 10)


Notes

The Notes on Form 8.3 can be viewed on the Takeover Panel's website at
www.thetakeoverpanel.org.uk

SUPPLEMENTAL FORM 8

DETAILS OF OPEN POSITIONS
(This form should be attached to Form 8.1, Form 8.1(b)(ii) or Form 8.3, as appropriate)

OPEN POSITIONS (Note 1)
Product name,     Written or  Number of securities   Exercise price   Type, e.g.     Expiry date
e.g. call option  purchased   to which the option    (Note 2)         American,
                              or derivative relates                   European etc.
Option            Purchased   -500                   950.0000         EURO           19/12/2008
Option            Purchased   -500                   950.0000         EURO           19/12/2008
Option            Purchased   750                    2,200.0000       EURO           19/12/2008
Option            Purchased   350                    1,450.0000       EURO           18/12/2009
Option            Purchased   350                    1,450.0000       EURO           18/12/2009
Option            Purchased   250                    1,900.0000       EURO           18/12/2009
Option            Purchased   250                    1,900.0000       EURO           18/12/2009
Option            Purchased   250                    1,700.0000       EURO           19/12/2008
Option            Purchased   250                    1,500.0000       EURO           18/12/2009
Option            Purchased   250                    1,500.0000       EURO           18/12/2009

Notes

1. Where there are open option positions or open derivative positions (except for CFDs), full details should be given.
Full details of any  existing agreements to purchase or to sell  should also be given on this form.

2. For all prices and other monetary amounts, the currency must be stated.

For details of the Code's dealing disclosure requirements, see Rule 8 and its Notes which can be viewed on the Takeover
Panel's website at www.thetakeoverpanel.org.uk